Sword blade



FIG. 1 is a front elevation view of the design of the present invention for a sword blade, the rear elevation view being a mirror image thereof, the features of the sword handle shown in broken lines being for illustrative purposes only and forming no part of the claimed design;

FIG. 2 is a left side elevation view of the sword blade of FIG. 1, the right side elevation view being a mirror image thereof;

FIG. 3 is a top end view of the sword blade of FIG. 1; and,

FIG. 4 is a bottom end view of the sword blade of FIG. 1. 

I claim the ornamental design for a sword blade, as shown and described. 